Earbud



FIG. 1 is a front perspective view of an earbud for the right ear showing the new design; the earbud for the left ear is a mirror image;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The dotted lines immediately adjacent the surface of the earbud represent the bounds of the claimed design, while all other dotted lines represent environmental structure only and do not form part of the claimed design. 

CLAIM The ornamental design for earbud, substantially as shown and described. 